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Technology	evaluated	Overall Potential	-- show additional criterion -- Barriers Benefits (other than environmental) Energy efficiency (single vehicles) Status of development Technology field Vehicle - fix costs
LCC-driven procurement		very promising
Kinetic Energy Storage System (KESS)
Inverter unit for DC substations		promising
Incentives for drivers		interesting
Improved operation control for air-conditioning		interesting
IGBT		very promising
Hydrogen engine		interesting
Hybrid locomotives
HTSC transformer		very promising
Heat exchangers to use waste heat in MUs		promising
Gas turbine		interesting
Future developments in diesel technology		promising

© UIC - International Union of Railways 2003